Alert archive / New Jersey / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 22, 1986, 6:26 PM EDT for Mercer County, New Jersey. It was in force for 24 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 1986, 6:26 PM EDT (22:26 UTC)
- Expired
- May 22, 1986, 6:50 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Mercer County, NJ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 6:27 PM EDT | Hail 1 | Mercer, NJ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 10.4 hours before the alert went out and 94 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 11 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 222226 SVRPHL NJC021-222250- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA PA 626 PM EDT THU MAY 22 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 650 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF WEST CENTRAL NEW JERSEY...MERCER AT 615 PM EDT A SPOTTER AT HAMILTON SQUARE IN MERCER COUNTY N.J. REPORTED 1 INCH HAIL IN A THUNDERSTORM. THE THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AROUND 25 MILES AN HOUR. THIS IS A DANGEROUS STORM AND PEOPLE IN THE WARNED AREA SHOULD PREPARE FOR STRONG DAMAGING WINDS..LARGE HAIL..VERY HEAVY RAIN AND LIGHTNING. SHOULD THE STORM APPROACH YOU..SEEK IMM<EDIATE SHELTER. MOBILE TRAILERS ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED. ACS
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 22, 4:39 PM EDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA, PA 434 PM EDT THU MAY 22 1986 AT 430 PM EDT A WEATHER SPOTTER AT ROOSEVELT AND GRANT IN NORTHEAST PHILADELPHIA REPORTED UP TO 1/2 INCH HAIL WITH A THUNDERSTORM. NATIONAL WEATHER SERVICE RADAR INDICATES MOVEMNENT TOWARD THE NORTH AROUND 25 MILES AN HOUR. ACS
Special weather statement, May 22, 5:15 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA, PA 514 PM EDT THU MAY 22 1986 AT 500 PM EDT A WEATHER SPOTTER IN FEASTERVILLE, PA IN BUCKS COUNTY REPORTED 1/2 INCH HAIL WITH A THUNDERSTORM!. NATIONAL WEATHER SERVICE RADAR INDICATES MOVEMENT TOWARD THE NORTH AROUND 20 MILES AN HOUR. ACS
Nearby
Severe Thunderstorm Warnings in New Jersey, 1986Every severe thunderstorm warning in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.